When Jack arrived he learned Mary __________ for almost an h

When Jack arrived he learned Mary __________ for almost an h 英语单选 1.When Jack arrived he learned Mary ______ for almost a when jack arrived,he learned Mary___for almost an hour.请问这个选 4.When Jack arrived,he learned Mary ________ f 6.When we got to his home,we learned he ___ for almost an ho when he arrived ,he found noned but the age an the sick at h Chris danced __________ when he learned of the good news. He has been _______ his memory for almost half an hour,but h Jack almost had an automobile accident．Luckily.he avoided __ when i arrived at the station yesterday,Mary was waiting for 英语翻译Jack:Mary,What baout a dog for Jim?Mary :Do you think he When he was 12,he learned how to drive a car=__the__ of 12,h